In biology a substrate is the surface a plant or animal lives upon. The substrate can include biotic or abiotic materials. For example, encrusting algae that lives on a rock can be substrate for another animal that lives above the algae on the rock. See also substrate (marine biology).

Abiotic substrates

• Cellulose substrate ^[1]
• Rock wool

References

External links

• "Micro-vegetable growing" using abiotic substrates at home

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